A dentist is a doctor. I believe you mean, though, a doctor as in someone who does body parts, not teeth, like a dentist. Here are some differences (if that is what you are referring to):
Dentists work on teeth, they inspect them and clean them. Dentists do not work on the mouth, however. Only teeth (and gums), that is their job. A doctor's job is to work on the the other mouth parts, and other body parts and bones.
There are three nouns. Doctor, dentist, and neighbors are nouns.
In some situations.
A dentist is a doctor who specializes in oral hygiene
Yes, you have to have a PHD (Philosophy doctorate) to become a dentist.
depends
Dentist, dds
"Doc" Holliday was not a doctor at all, he was a dentist.
I recommend going to see a doctor. If the pain was coming directly from the tooth, then I would recommend the dentist.
You Don't Know? It's called a, Dentist
Orthodontist, periodontist, dental hygenist, equine dentist.
a dentist
It depends on what your better at.